itkPadLabelMapFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPadLabelMapFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-07-23 22:27:53 $
  Version:   $Revision: 1.1 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkPadLabelMapFilter_h
#define __itkPadLabelMapFilter_h

#include "itkChangeRegionLabelMapFilter.h"

namespace itk
{
  
template <class TInputImage>
class ITK_EXPORT PadLabelMapFilter : public ChangeRegionLabelMapFilter<TInputImage>
{
public:
  typedef PadLabelMapFilter                        Self;
  typedef ChangeRegionLabelMapFilter<TInputImage>  Superclass;
  typedef SmartPointer<Self>                       Pointer;
  typedef SmartPointer<const Self>                 ConstPointer;

  itkTypeMacro(PadLabelMapFilter, ChangeRegionImageFilter);

  itkNewMacro(Self);  

  typedef typename Superclass::OutputImageType       OutputImageType;
  typedef typename Superclass::OutputImagePointer    OutputImagePointer;
  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename Superclass::OutputImagePixelType  OutputImagePixelType;

  typedef TInputImage                              InputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType; 
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename InputImageType::LabelObjectType LabelObjectType;

  typedef typename InputImageType::PixelType       PixelType;
  typedef typename InputImageType::IndexType       IndexType;
  typedef typename InputImageType::SizeType        SizeType;
  typedef typename InputImageType::RegionType      RegionType;
  
  typedef TInputImage TOutputImage;
  
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int, TOutputImage::ImageDimension);

  itkSetMacro(UpperBoundaryPadSize, SizeType);
  itkGetMacro(UpperBoundaryPadSize, SizeType); 
  itkSetMacro(LowerBoundaryPadSize, SizeType);
  itkGetMacro(LowerBoundaryPadSize, SizeType);

  void SetPadSize( const SizeType & size )
    {
    this->SetUpperBoundaryPadSize( size );
    this->SetLowerBoundaryPadSize( size );
    }

protected:
  PadLabelMapFilter()
    {
    m_UpperBoundaryPadSize.Fill(0);
    m_LowerBoundaryPadSize.Fill(0);
    }
  ~PadLabelMapFilter() {};

  virtual void GenerateOutputInformation();

  void PrintSelf(std::ostream& os, Indent indent) const;

private:
  PadLabelMapFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  SizeType m_UpperBoundaryPadSize;
  SizeType m_LowerBoundaryPadSize;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPadLabelMapFilter.txx"
#endif

#endif